New Life 9-1225-S Bi-Fold Door Top Pivot with Bush, Spring Loaded, Nylon 3/8 inch (Pack of 2) Nylon Plastic Body, 5/16 in. x 3/8 in. diameter cap Spring Loaded Metal Pin makes hanging your bi-fold doors easy Easy installation and removal Comes with with a bush for easy sliding in the top Track Used by many closet door manufacturers of bi-fold door systems